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Our Providers

Our Providers

Sunny Hills Behavioral Health is committed to providing exceptional care of behavioral health and services for individuals and their families. Our highly qualified staff may help you with issues you might be suffering from. Mental health is more than the absence of mental illness. It includes having a positive mental and emotional attitude based in reality. It allows you to enjoy life and maintain balance in the face of life’s ups and downs. We all worry and experience mood swings. Many people wonder sometimes if they have mental problems and some are afraid to get help.. Life may be a struggle. If feelings or symptoms are affecting life, consider getting help. Medications and a variety of therapies (psycho, talk, play, art and more) can help. There are many types of mental health specialists that help with mental, emotional and behavioral problems.

Our doctors specialize in treatment in a variety of areas including adult, adolescent and child psychiatry; couple, marriage and family therapy. At SHBHI, doctors bring extensive training and continuing education in the diagnosis and treatment of psychiatric disorders with pharmacology management. Our physicians always strives to give you the best and most compassionate care as possible.

Sandya Gudapati


Specializes in adult, adolescent and child psychiatry. She brings extensive training and continuing education in the diagnosis and treatment of psychiatric disorders with pharmacology management. She has been in private practice since 1991. Born and raised in the southern part of India. Dr. Gudapati attended medical school at Osmania Medical College upon graduation she came to the United States to continue her studies. She did her residency in psychiatry at the University of Nebraska where she finished her general psychiatry training. She also attained her fellowship in child and adolescent psychiatry at UCLA Medical Center. Dr. Gudapati believes that there is always more to be learned and mastered.



Dr. Surapaneni is trained as an adult psychiatrist in Augustus Hawkins psychiatric program and did substance abuse fellowship in UCLA drug and alcohol program. She is practicing since last 18 years and gained experience in treating various populations and strongly believes that multidisciplinary approach is the best way to treat mental illness.

Dr. Patel


Dr. Patel is Board Certified and licensed in Adult Psychiatry and Neurology. She attended St. George’s School of Medicine and continued with a 4 year residency in Psychiatry at Bergen Regional Medical Center in Paramus, NJ. Dr. Patel believes in understanding the ‘whole’ person and her in-depth analysis is key to her success. She has helped patients with varying diagnoses to not only recover but to also adapt to living a more full life.

Sandra Hayden


A Licensed Clinical Social Worker. She is has done her graduation in Psychology and her Master in Social Work from Cal State, Long Beach. She is a certified EMDR (Eye Movement Desensitization & Reprocessing) therapist and specializes in the area of trauma. With her years of experience she can give therapy to clients with post traumatic stress disorder, panic disorder, anxiety disorder, depressive disorders, bipolar disorder, low self esteem, relationships conflict, parenting, anger management, issues related grief and loss, life issues and employment stress. For more information about Sandra’s services, please visit her practice site at

Terry Maher


A Licensed Clinical Social Worker (LCSW), with a B.A. in Psychology from California State University Long Beach, and an MSW from University of Southern California with an emphasis on mental health services. He has experience providing: individual and group therapy with adults, therapy and behavior modification with at risk youth and their families, language and skill building with autistic children and developmentally disabled adults, vocational training with special education students, substance abuse counseling, therapy with the chronic and persistently mentally ill, as well as in home grief counseling with older adults. He has 12 years of experience working with families and adolescents in crisis.

Lyn Palmer


A Licensed Marriage and Family Therapist specializing in adolescent and adult issues. She is a graduate from California State University, Fullerton and has Masters degree in Psychology from Chapman University with emphasis on marriage, family and child. She brings with her several years of counseling experience. She has rendered therapy and has addressed issues of domestic violence, alcohol and drug abuse, sexual abuse and gender issues, anger management. Ms Palmer works on setting up goals with her clients and then helps them focus on those in her therapy sessions. She is very dedicated and guides the client to strive and reach for the set up goals.

Katherine VIichez


I have extensive experience with those experiencing depression, anxiety, life changes, divorce, and grief issues. You would benefit in therapy with me if you are looking to improve your quality of life, particularly with interpersonal relationships. I assist managing current life stresses and interpersonal conflict. Often, clients need support through minor or major transitions in life. My approach to therapy includes the use cognitive behavioral techniques as well as a focus on family dynamics. I make extra efforts to build upon a client’s strengths. Because thoughts and feelings have a great impact on our well being, I strive to strengthen self understanding as well as communication. I work with clients from age 3 and up. I am bilingual in Spanish/English.

Elvia Diaz


As a Licensed Clinical Social Worker (L.C.S.W), I work with individuals and families to make a therapeutic connection by giving them the tools, skills and confidence they need to lead the lives they want. I have a Master’s Degree in Social Work from the University of Southern California with over 30 years of clinical experience. As a bilingual, Spanish and English therapist I have worked with Clients from many countries that are experiencing traumatic changes in their lives. My experience includes managing my own private practice in Los Angeles from 1989 to 1998, there I focused on providing treatment to children, adolescents, couples, and families where many of my clients suffered from ADHD, domestic violence, child abuse, substance abuse, gender identity issues, PTSD, or were victims of violent crime.

Megan Jimenez


A Licensed Marriage and Family Therapist that has experience with individuals of all ages with disorders such as Bipolar Disorder, Schizoaffective, Mood disorders, and Post Traumatic Stress Disorder. She is a graduate with her Master’s degree in Counseling Psychology from California Baptist University. She has experience working in an outpatient clinical setting as well as an inpatient level 12 group home for adolescent females. Megan focuses on the needs of each individual clients and recognizes that instilling hope and providing a safe environment for a client is essential for a client to grow and develop.


Dr. Adams is a licensed Marriage and Family Therapist since 1985. She completed her clinical psychologist program at Fuller Seminary. Dr. Adams has been trained in the Mitchell Model for critical incident stress debriefing and has been called to respond to a crisis within 24 to 48 hours of the incident. Dr. Adams also received training in EMDR as an avenue to reducing strong feelings associated with experiencing a trauma. Dr. Adams sees clients ranging from age eight to the geriatric population. Typical treatment issues focus on reducing problematic symptoms associated with mood disorders, depression, anxiety, panic disorder, bipolar disorder, parenting issues, divorce and separation counseling, grief issues, sexual and physical abuse victims, and behavioral problems for children and teens.


A Board Certified Psychiatric Mental Health Nurse Practitioner (PMHNP), with an MSN from California State University, Fullerton and a Post Master’s Certificate in PMHNP from California State University, Los-Angeles with an emphasis in medication management. I have a background that includes 10 years in different specialty areas in Nursing. I assist in managing mental health diagnosis that frequently co-occurs with medical diagnosis. I have worked with individuals with PTSD, ADHD, Schizophrenia, Bipolar, Depression, Anxiety, and Insomnia. I believe my education, certifications and experience has better prepared to me to be able to individualize treatment on a case by case basis.

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Sunny Hills Behavioral Health & Sunny Hills TMS

Fullerton Address:
140 E Commonwealth Ave
Suite 101
Fullerton, CA 92832


Laguna Hills Address:
25411 Cabot Road
Suite 107
Laguna Hills, CA 92653

Office Hours:
Mon-Fri: 8am - 5pm
Sat: 9am - 3pm


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